Every smile has
its own story.
Explore 12 common alignment and bite concerns. See what each means, when clear aligners may help and when a more comprehensive approach may be needed.
Find your concern ↓12 condition guides · Individual clinical assessment
Find the concern you want to understand.
One smile can involve several conditions. These guides explain possibilities for clear aligners in general; a professional assessment determines whether Hello My Teeth or another care setting is appropriate for you.
Crowded teeth
Overlapping teeth and limited space in an arch.
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Gaps and spacing
Spaces between teeth, including a central front-tooth gap.
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Crooked and rotated teeth
Teeth that turn, tilt or sit out of line.
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Overbite and deep bite
Excessive vertical overlap of the front teeth.
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Overjet and protruding front teeth
Upper front teeth positioned too far ahead horizontally.
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Underbite
Lower front teeth sit ahead of the upper front teeth.
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Crossbite
Upper and lower teeth meet in an altered inside–outside relationship.
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Open bite
Some upper and lower teeth do not meet when the bite closes.
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Orthodontic relapse
Teeth shift after previous orthodontic treatment.
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General misalignment
Several alignment or bite concerns occurring together.
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Midline misalignment
The upper and lower dental center lines do not coincide.
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Edge-to-edge bite
Upper and lower front teeth meet at their cutting edges.
Explore this caseAll dental models are AI-generated educational illustrations, not patient photographs, diagnostic tools or promised results.
What makes a case suitable?
The extent of movement, gum and bone health, bite contacts, jaw relationships and the procedures needed all influence suitability. A small-looking change can still need careful planning. An online questionnaire cannot confirm a diagnosis.
Your clinician may recommend aligners, braces, additional procedures or a referral. Some complex or skeletal concerns require comprehensive in-person orthodontic care.
From understanding to a plan
- Identify the concerns you would like to discuss.
- Arrange a professional assessment and any required records.
- Review the proposed movements, limitations, cost and monitoring.
- Follow the prescribed wear and retention plan if treatment is approved.
Learn more in our complete clear aligners guide.
A plan starts with
understanding your smile.
An online questionnaire is a starting point. A dental professional must confirm your oral health, diagnosis and treatment suitability.
Check my candidacy Read the clear aligners guide